A firewall helps protect your computer from hackers who might try to delete information, make your computer crash, or even steal personal information such as passwords or credit card numbers.

High priority updates are critical to the security and reliability of your computer. They offer the latest protection against malicious online activities.

You need antivirus technology to help prevent viruses, and you need to keep it regularly updated.

You need antispyware technology to help prevent spyware, and you need to keep it regularly updated.

Why it’s important to be careful about opening e-mail attachments.

They copy themselves without any action from you, and spread quickly, wreaking havoc on networks and contacts lists.

Here are a few general tips that can help you get started in the online world without violating unwritten codes of behavior.

Learn the basics about what spyware is, how it gets inside your computer, and what it might be doing there.

Both are forms of malicious software, or “malware.” You don’t want either one on your computer.

They’re not all bad, but it’s a good idea to use a Pop-up Blocker.

Why Web sites place them on your computer – and why that’s OK.

Make sure your kids aren't spending too much time online.